atelier_smithy 0.2.10

Rust native Smithy language format for the AWS Smithy IDL.
Documentation 
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selector =
    selector_expression *(selector_expression)

selector_expression =
    selector_shape_types
  / selector_attr
  / selector_scoped_attr
  / selector_function_args
  / selector_forward_undirected_neighbor
  / selector_reverse_undirected_neighbor
  / selector_forward_directed_neighbor
  / selector_reverse_directed_neighbor
  / selector_forward_recursive_neighbor
  / selector_variable_set
  / selector_variable_get

selector_shape_types =
    "*" / identifier

selector_forward_undirected_neighbor =
    ">"

selector_reverse_undirected_neighbor =
    "<"

selector_forward_directed_neighbor =
    "-[" selector_directed_relationships "]->"

selector_reverse_directed_neighbor =
    "<-[" selector_directed_relationships "]-"

selector_directed_relationships =
    identifier *("," identifier)

selector_forward_recursive_neighbor =
    "~>"

selector_attr =
    "[" selector_key [selector_attr_comparison] "]"

selector_attr_comparison =
    selector_comparator selector_attr_values ["i"]

selector_key =
    identifier ["|" selector_path]

selector_path =
    selector_path_segment *("|" selector_path_segment)

selector_path_segment =
    selector_value / selector_function_property

selector_value =
    selector_text / number / root_shape_id

selector_function_property =
    "(" identifier ")"

selector_attr_values =
    selector_value *("," selector_value)

selector_comparator =
    selector_string_comparator
  / selector_numeric_comparator
  / selector_projection_comparator

selector_string_comparator =
    "^=" / "$=" / "*=" / "!=" / "=" / "?="

selector_numeric_comparator =
    ">=" / ">" / "<=" / "<"

selector_projection_comparator =
    "{=}" / "{!=}" / "{<}" / "{<<}"

selector_absolute_root_shape_id =
    namespace "#" identifier

selector_scoped_attr =
    "[@" [selector_key] ":" selector_scoped_assertions "]"

selector_scoped_assertions =
    selector_scoped_assertion *("&&" selector_scoped_assertion)

selector_scoped_assertion =
    selector_scoped_value selector_comparator selector_scoped_values ["i"]

selector_scoped_value =
    selector_value / selector_context_value

selector_context_value =
    "@{" selector_path "}"

selector_scoped_values =
    selector_scoped_value *("," selector_scoped_value)

selector_function =
    ":" identifier "(" selector_function_args ")"

selector_function_args =
    selector *("," selector)

selector_text =
    selector_single_quoted_text / selector_double_quoted_text

selector_single_quoted_text =
    "'" 1*selector_single_quoted_char "'"

selector_double_quoted_text =
    DQUOTE 1*selector_double_quoted_char DQUOTE

selector_single_quoted_char =
    %x20-26 / %x28-5B / %x5D-10FFFF ; Excludes (')

selector_double_quoted_char =
    %x20-21 / %x23-5B / %x5D-10FFFF ; Excludes (")

selector_variable_set =
    "$" identifier "(" selector ")"

selector_variable_get =
    "${" identifier "}"